- fix building with kernel 4.19 auto/th/lttng-modules-2.10.7-2
authorJan Rękorajski <baggins@pld-linux.org>
Sat, 27 Oct 2018 12:31:29 +0000 (14:31 +0200)
committerJan Rękorajski <baggins@pld-linux.org>
Sat, 27 Oct 2018 12:31:29 +0000 (14:31 +0200)
kernel-4.19.patch [new file with mode: 0644]
lttng-modules.spec

diff --git a/kernel-4.19.patch b/kernel-4.19.patch
new file mode 100644 (file)
index 0000000..10230e4
--- /dev/null
@@ -0,0 +1,62 @@
+From 53f9bf806271d7bd38595dfc2eddbeb668eb842e Mon Sep 17 00:00:00 2001
+From: Michael Jeanson <mjeanson@efficios.com>
+Date: Fri, 7 Sep 2018 12:21:12 -0400
+Subject: [PATCH] Fix: net: expose sk wmem in sock_exceed_buf_limit tracepoint
+ (4.19)
+
+See upstream commit:
+
+  commit d6f19938eb031ee2158272757db33258153ae59c
+  Author: Yafang Shao <laoar.shao@gmail.com>
+  Date:   Sun Jul 1 23:31:30 2018 +0800
+
+    net: expose sk wmem in sock_exceed_buf_limit tracepoint
+
+    Currently trace_sock_exceed_buf_limit() only show rmem info,
+    but wmem limit may also be hit.
+    So expose wmem info in this tracepoint as well.
+
+    Regarding memcg, I think it is better to introduce a new tracepoint(if
+    that is needed), i.e. trace_memcg_limit_hit other than show memcg info in
+    trace_sock_exceed_buf_limit.
+
+Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
+Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+---
+ instrumentation/events/lttng-module/sock.h | 23 +++++++++++++++++++++-
+ 1 file changed, 22 insertions(+), 1 deletion(-)
+
+diff --git a/instrumentation/events/lttng-module/sock.h b/instrumentation/events/lttng-module/sock.h
+index 4bde039..a1032b3 100644
+--- a/instrumentation/events/lttng-module/sock.h
++++ b/instrumentation/events/lttng-module/sock.h
+@@ -22,7 +22,28 @@ LTTNG_TRACEPOINT_EVENT(sock_rcvqueue_full,
+       )
+ )
+-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0))
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0))
++
++LTTNG_TRACEPOINT_EVENT(sock_exceed_buf_limit,
++
++      TP_PROTO(struct sock *sk, struct proto *prot, long allocated, int kind),
++
++      TP_ARGS(sk, prot, allocated, kind),
++
++      TP_FIELDS(
++              ctf_string(name, prot->name)
++              ctf_array(long, sysctl_mem, prot->sysctl_mem, 3)
++              ctf_integer(long, allocated, allocated)
++              ctf_integer(int, sysctl_rmem, sk_get_rmem0(sk, prot))
++              ctf_integer(int, rmem_alloc, atomic_read(&sk->sk_rmem_alloc))
++              ctf_integer(int, sysctl_wmem, sk_get_wmem0(sk, prot))
++              ctf_integer(int, wmem_alloc, refcount_read(&sk->sk_wmem_alloc))
++              ctf_integer(int, wmem_queued, sk->sk_wmem_queued)
++              ctf_integer(int, kind, kind)
++      )
++)
++
++#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0))
+ LTTNG_TRACEPOINT_EVENT(sock_exceed_buf_limit,
index 59e15dd9edf0f63e968a575973709474a64ebbce..375e2ecc56eddab3a1f26e09c835138e363d6d38 100644 (file)
@@ -7,7 +7,7 @@
 # nothing to be placed to debuginfo package
 %define                _enable_debug_packages  0
 
-%define                rel     1
+%define                rel     2
 %define                pname   lttng-modules
 Summary:       LTTng 2.x kernel modules
 Summary(pl.UTF-8):     Moduły jądra LTTng 2.x
@@ -19,6 +19,7 @@ Group:                Base/Kernel
 Source0:       http://lttng.org/files/lttng-modules/%{pname}-%{version}.tar.bz2
 # Source0-md5: d3cb4520948083bf1573a2e4cb7406aa
 Patch0:                build.patch
+Patch1:                kernel-4.19.patch
 URL:           http://lttng.org/
 %{expand:%buildrequires_kernel kernel%%{_alt_kernel}-module-build >= 3:2.6.38}
 %{?with_kernelsrc:%{expand:%buildrequires_kernel kernel%%{_alt_kernel}-source >= 3:2.6.38}}
@@ -88,6 +89,7 @@ p=`pwd`\
 %prep
 %setup -q -n %{pname}-%{version}
 %patch0 -p1
+%patch1 -p1
 
 %build
 %{expand:%build_kernel_packages}
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